/**
 * Org.: DefeatThePurpose Entertainment
 * User: Suds (Scott Drew) <suds@defeatthepurpose.net>
 * Date: 16/08/12
 * Time: 8:12 PM
 */
public class Box {
    public static void renderRectangle(Rectangle rectangle, float lineWidth, Colour colour)
    {
        glColor3f(colour.getR(), colour.getG(), colour.getB());

        glBegin(GL_QUADS);
            glVertex2i(rectangle.getX(), rectangle.getY());
            glVertex2i(rectangle.getX() + rectangle.getW(), rectangle.getY());
            glVertex2i(rectangle.getX() + rectangle.getW(), rectangle.getY() + rectangle.getH());
            glVertex2i(rectangle.getX(), rectangle.getY() + rectangle.getH());
        glEnd();

        glLineWidth(lineWidth);

    // render slightly darker border
        glColor3f(colour.getR() * 0.8f, colour.getG() * 0.8f, colour.getB() * 0.8f);

        glBegin(GL_LINE_LOOP);
            glVertex2i(rectangle.getX(), rectangle.getY());
            glVertex2i(rectangle.getX() + rectangle.getW(), rectangle.getY());
            glVertex2i(rectangle.getX() + rectangle.getW(), rectangle.getY() + rectangle.getH());
            glVertex2i(rectangle.getX(), rectangle.getY() + rectangle.getH());
        glEnd();
    }
}

// This method is found in my Button class:
    public void render()
    {
    // Render box
        Box.renderRectangle(_bounds, 2.0f, _colour);

    // render text in centre of box
        _font.drawString(_bounds.getX() + (_bounds.getW() / 2) - (_font.getWidth(_text) / 2),
                _bounds.getY() + (_bounds.getH() / 2) - (_font.getHeight(_text) / 2), _text);
    }

// snippet from initGL() --> Is ALL of the gl calls other than those above.
    glEnable(GL_BLEND);
        glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);

        glViewport(0, 0, 800,480);
        glMatrixMode(GL_MODELVIEW);

        glMatrixMode(GL_PROJECTION);
        glLoadIdentity();
        glOrtho(0, 800, 480, 0, 1, -1);
        glMatrixMode(GL_MODELVIEW);
        glLoadIdentity();

        glEnable(GL_TEXTURE_2D);